The MERLIN 4 is a mid-range CCD spectrometer available as a dedicated single-base unit as well as a versatile multi-base system. It is well suited for the metal production and inspection & contract lab and marine industries and perfectly suited for the metal processing industry. It is available in 2 models: the MERLIN 4 Ultra and MERLIN 4 Visible. The MERLIN 4 Ultra covers a range of 175-521 nm and the MERLIN 4 Visible: 201-521 nm. Most calibration elements are covered.

Quality Control and Assurance are essential to making your business successful. The MERLIN 4 is the ideal companion for incoming material, in-process testing and final quality inspection.

  • MERLIN 4 VisibleMERLIN 4 Ultra
    Fe, Ni, Co, Cu, Al, Mg, Zn, Sn, Pb, TiFe, Ni, Co, Cu, Al, Mg, Zn, Sn, Pb, Ti
    All alloying elements and major tracesAll alloying elements and major traces Fe
    Digital source for high precisionDigital source for high precision
    ARUN factory calibrationARUN factory calibration
    Gas consumption: Low flows, no optic flushGas consumption: Low flows, optic flush
    Light path – directLight path – direct
  • Optical SystemPaschen – Runge
    Wavelength Range

    175-521nm (Ultra)

    206-521nm (Visible)

    Power SupplyLine input 90 or 260 Volts AC 50-60 Hz




    Working Temperature10° to 30° C
    Operating Humidity20-80%
    Argon Purity99.998% or 99.999% purity
    Argon Flow

    When burning – 3L per minute

    On standby –  0.1L per minute

    Dimensions65 x 39 x 78cm
    Maximum Excitation Power400VA
    Optical Source Type50VA
    Discharge Frequency400Hz maximum
    Discharge Current150A maximum
    Spark Stand Aperture12mm
  • The MERLIN 4 supports all metal types with the analyses of all their elements, in higher concentrations as well as the relevant traces. The range of factory calibrations is comprehensive with a wide choice of analytical programs for all applications and their alloys that include: Iron & steel Cast iron Aluminium Copper Magnesium Nickel Lead Tin Cobalt Titanium

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